NL7405504A - - Google Patents

Info

Publication number
NL7405504A
NL7405504A NL7405504A NL7405504A NL7405504A NL 7405504 A NL7405504 A NL 7405504A NL 7405504 A NL7405504 A NL 7405504A NL 7405504 A NL7405504 A NL 7405504A NL 7405504 A NL7405504 A NL 7405504A
Authority
NL
Netherlands
Application number
NL7405504A
Other versions
NL167077C (nl
NL167077B (nl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL7405504A publication Critical patent/NL7405504A/xx
Publication of NL167077B publication Critical patent/NL167077B/xx
Application granted granted Critical
Publication of NL167077C publication Critical patent/NL167077C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
NL7405504.A 1973-04-25 1974-04-24 Vierkanalig stereoweergeefstelsel. NL167077C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4803073A JPS537249B2 (enrdf_load_stackoverflow) 1973-04-25 1973-04-25

Publications (3)

Publication Number Publication Date
NL7405504A true NL7405504A (enrdf_load_stackoverflow) 1974-10-29
NL167077B NL167077B (nl) 1981-05-15
NL167077C NL167077C (nl) 1981-10-15

Family

ID=12791900

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7405504.A NL167077C (nl) 1973-04-25 1974-04-24 Vierkanalig stereoweergeefstelsel.

Country Status (7)

Country Link
US (1) US3936619A (enrdf_load_stackoverflow)
JP (1) JPS537249B2 (enrdf_load_stackoverflow)
AU (1) AU472338B2 (enrdf_load_stackoverflow)
CA (1) CA1005349A (enrdf_load_stackoverflow)
DE (1) DE2419845C2 (enrdf_load_stackoverflow)
FR (1) FR2227704B1 (enrdf_load_stackoverflow)
NL (1) NL167077C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184178A (en) * 1972-11-30 1980-01-15 Basf Aktiengesellschaft Drop-out compensator for sound reproducing apparatus during tape reversal
US4075425A (en) * 1974-09-24 1978-02-21 Nippon Columbia Kabushikikaisha Multi-directional sound signal reproducing system
GB1523284A (en) * 1974-11-18 1978-08-31 Rca Corp End of play circuit
US4204091A (en) * 1977-03-21 1980-05-20 Victor Company Of Japan, Limited Cancellation of interference distortions caused by intermodulation between FM signals on adjacent channels
US4119812A (en) * 1977-04-20 1978-10-10 Rca Corporation Signal defect detection and compensation with signal de-emphasis
US4692914A (en) * 1983-05-31 1987-09-08 Canon Kabushiki Kaisha Reproducing device for frequency modulated signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA938560A (en) * 1969-11-28 1973-12-18 Victor Company Of Japan System for recording and/or reproducing four channel signals on a record disc
US3711652A (en) * 1971-03-10 1973-01-16 Gen Electric Monolithic stereo decoder with balanced decoder operation
JPS515763B1 (enrdf_load_stackoverflow) * 1971-05-24 1976-02-23

Also Published As

Publication number Publication date
AU472338B2 (en) 1976-05-20
NL167077C (nl) 1981-10-15
JPS537249B2 (enrdf_load_stackoverflow) 1978-03-16
DE2419845A1 (de) 1974-11-21
FR2227704B1 (enrdf_load_stackoverflow) 1980-01-18
NL167077B (nl) 1981-05-15
AU6821074A (en) 1975-10-23
DE2419845C2 (de) 1982-11-18
FR2227704A1 (enrdf_load_stackoverflow) 1974-11-22
CA1005349A (en) 1977-02-15
US3936619A (en) 1976-02-03
JPS49134218A (enrdf_load_stackoverflow) 1974-12-24

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee